Display device

ABSTRACT

A display device includes a display panel in a wraparound form and comprising two wraparound edges opposite to each other and two non-wraparound edges opposite to each other. The display device further includes a flexible circuit board having a surface and a bonding region at a periphery of the surface. The flexible circuit board is electrically bonded to one of the two non-wraparound edges through the bonding region for driving the display panel.

BACKGROUND OF THE DISCLOSURE 1. Field of the Disclosure

The present disclosure relates to a display device. More particularly,the present disclosure relates to a display device in a wraparound form.

2. Description of the Prior Art

In order to meet the needs for various functions or improve userconvenience, a display device having a surrounding display surface hasgradually attracted attention in the technology field.

SUMMARY OF THE DISCLOSURE

One aspect of the present disclosure is to provide an electronic device,more particularly, a display device in a wraparound form, which mayprovide various user interfaces on a surface surrounding over 270degrees.

In one embodiment of the present disclosure, a display device isdisclosed. The display device includes a display panel, wherein thedisplay panel is in a wraparound form and comprises two wraparound edgesopposite to each other and two non-wraparound edges opposite to eachother. The display device further includes a flexible circuit boardhaving a surface and a bonding region at a periphery of the surface,wherein the flexible circuit board is electrically bonded to one of thetwo non-wraparound edges through the bonding region for driving thedisplay panel.

In another embodiment of the present disclosure, a display device isdisclosed. The display device includes a display panel, wherein thedisplay panel is in a wraparound form and comprises two wraparound edgesopposite to each other and two non-wraparound edges opposite to eachother. The display device further includes a flexible circuit boardhaving a surface and a bonding region at a periphery of the surface,wherein the flexible circuit board is electrically bonded to one of thetwo wraparound edges through the bonding region for driving the displaypanel.

These and other objectives of the present disclosure will no doubtbecome obvious to those of ordinary skill in the art after reading thefollowing detailed description of the embodiment that is illustrated inthe various figures and drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings are included to provide a furtherunderstanding of the embodiments, and are incorporated in and constitutea part of this specification. For ease of understanding, same referencenumerals are used to indicate the same elements in the drawings. Itshould be understood that the elements disclosed in one embodiment maybe used in other embodiments without specific description. The drawingsin this disclosure are not drawn to scale unless being specificallyspecified. For clarity of presentation, the drawings are simplified andsome details or elements are omitted.

FIG. 1A is a schematic diagram showing the structure of a display deviceaccording to an embodiment of the disclosure.

FIG. 1B is a schematic diagram showing the structure of a display deviceaccording to an embodiment of the disclosure. The upper-left portion ofFIG. 1B shows a schematic plan view of a display panel and a flexiblecircuit board of a display device in a non-wraparound form. Thelower-right portion of FIG. 1B is a schematic cross-sectional view ofthe display device along the line A-A′ in the plan view.

FIG. 2A is a schematic diagram showing the structure of a display deviceaccording to an embodiment of the disclosure.

FIG. 2B is a schematic plan view showing a display panel and a flexiblecircuit board of a display device in a non-wraparound form according toan embodiment of the disclosure.

FIG. 3A, FIG. 3B, FIG. 3C and FIG. 3D are schematic plan viewsrespectively showing a display panel and a flexible circuit board of adisplay device according to some embodiments of the disclosure.

FIG. 4 , FIG. 5 and FIG. 6 are schematic diagrams respectively showing astructure of a display device according to some embodiments of thedisclosure.

FIG. 7A is a schematic diagram showing the structure of a display deviceaccording to an embodiment of the disclosure.

FIG. 7B is a schematic plan view showing a display panel and a flexiblecircuit board of a display device in a non-wraparound form according toan embodiment of the disclosure.

FIG. 8A, FIG. 8B and FIG. 8C are schematic plan views respectivelyshowing a display panel and a flexible circuit board of a display deviceaccording to some embodiments of the disclosure.

FIG. 9 is a schematic diagram showing the structure of a display deviceaccording to an embodiment of the disclosure.

FIG. 10 is a schematic diagram showing the structure of a display deviceaccording to an embodiment of the disclosure.

FIG. 11 is a schematic diagram showing a display panel and a flexiblecircuit board of a display device in a non-wraparound form according toan embodiment of the disclosure.

FIG. 12 is a flow chart showing the steps of wrapping a display panelaccording to an embodiment of the disclosure.

DETAILED DESCRIPTION

The present disclosure may be understood by reference to the followingdetailed description, taken in conjunction with the drawings asdescribed below. It is noted that, for purposes of illustrative clarityand being easily understood by the readers, various drawings of thisdisclosure show a portion of the electronic device, and certaincomponents in various drawings may not be drawn to scale. In addition,the number and dimension of each component shown in drawings are onlyillustrative and are not intended to limit the scope of the presentdisclosure.

Certain terms are used throughout the description and following claimsto refer to particular components. As one skilled in the art willunderstand, electronic equipment manufacturers may refer to a componentby different names. This document does not intend to distinguish betweencomponents that differ in name but not function. In the followingdescription and in the claims, the terms “include”, “comprise” and“have” are used in an open-ended fashion, and thus should be interpretedto mean “include, but not limited to . . . ”. It will be understood thatwhen a component is referred to as being “connected to” anothercomponent (or its variant), it may be directly connected to the “anothercomponent”, or connected to the “another component” through one or moreintervening components.

It will be understood that when an element or layer is referred to asbeing “on” or “connected to” another element or layer, it may bedirectly on or directly connected to the other element or layer, orintervening elements or layers may be presented. In contrast, when anelement is referred to as being “directly on” or “directly connected to”another element or layer, there are no intervening elements or layerspresented.

The term “substantially” usually means falling within 20% of a givenvalue or range, or within 10%, 5%, 3%, 2%, 1%, or 0.5% of a given valueor range.

Although the terms such as first, second, etc., may be used in thedescription and following claims to describe various components inclaims, these terms does not mean or represent the claimed componentshave order and does not represent the order of one claimed component andanother one claimed component, or the sequence in manufacturing method.These terms are used to discriminate a claimed component with adenomination from another one claimed component with the samedenomination.

The term “wraparound” used in this disclosure refers to wrap around anaxis with an angle greater than or equal to 270 degrees. The term“wraparound surface” used in this disclosure refers to a surface in awraparound form with a wrapping angle greater than or equal to 270degrees around an axis to provide various user interfaces. In otherwords, it is not necessary for a wraparound surface to have a complete360-degree wrapping angle when in a wraparound form, as long as thewrapping angle is greater than or equal to 270 degrees.

It should be noted that the technical features in different embodimentsdescribed in the following description may be replaced, recombined, ormixed with one another to constitute another embodiment withoutdeparting from the spirit of the present disclosure.

The electronic device provided in the present disclosure may include,for example, an antenna or a display device, but is not limited thereto.Embodiments of the display device of the present disclosure may includeany display device that displays images or pictures, such as anon-self-light-emitting liquid crystal display (LCD), a light emittingdiode (LED) display, or an electro-phoretic display (EPD), but is notlimited thereto. The light emitting diode display may include organiclight emitting diode (OLED) display, inorganic light emitting diode(LED) display, sub-millimeter light emitting diode (mini LED) display,micro light emitting diode (micro LED) display, quantum dot LED (QLED)display, but is not limited thereto. In the following description,embodiments in which the electronic device is a display device areillustrated. In other embodiments, the electronic device may be anantenna or other types of electronic devices, and the display panel ofthe electronic device may be replaced with a working panel.

The display device of the present disclosure includes a flexible displaypanel. The term “flexible” means that the display panel may be bent,warp, folded, stretched, flexed, or may be subjected to otherdeformation operations. The display device of the present disclosure maybe bent to have a wraparound form to provide various user interfaces ona wrapping surface surrounding over 270 degrees. For example, displaydevice of the present disclosure may display images, provide touchfunction or sense function on a surface surrounding over 270 degrees,but is not limited thereto. It should be noted that the display panel(or working panel) of the electronic device in a wraparound formprovided by the present disclosure does not necessarily have to surround360 degrees. The display panel (or working panel) of the electronicdevice in a wraparound form may surround greater than or equal to 270degrees to achieve the wraparound user interfaces. Furthermore, thewraparound shape of the display panel provided by the present disclosuremay be any shapes according to product needs. For example, the displaypanel may have a wraparound shape of rectangular cylinder, cylinder,elliptical cylinder, triangular cylinder, or polygonal cylinder, but isnot limited thereto. In practice, the different portions of the displaypanel (or working panel) of the electronic device may respectively beplanar or curved, but is not limited thereto.

Please refer to FIG. 1A and FIG. 1B. FIG. 1A is a schematic diagramshowing a structure of a display panel 100 and a flexible circuit board130 of the display device 10 according to an embodiment of thedisclosure. The upper-left portion of FIG. 1B shows a schematic planview of the display panel 100 and the flexible circuit board 130 of thedisplay device 10 in a non-wraparound form. The lower-right portion ofFIG. 1B is a schematic cross-sectional view of the display device 10along the line A-A′ in the plan view.

As shown in FIG. 1A, the display device 10 includes the display panel100. The display panel 100 may be a flexible display panel. The displaypanel 100 may include a display surface TS, a back surface BS oppositeto the display surface TS, two wraparound edges 102 opposite to eachother and two non-wraparound edges 104 opposite to each other. The twowraparound edges 102 and the two non-wraparound edges 104 surround thedisplay surface TS and the back surface BS. Please refer to FIG. 1B. Asshown in FIG. 1B, one of the two wraparound edges 102 may include anedge between point A and point B, an edge between point B and point C,an edge between point C and point D, an edge between point D and pointE, and an edge between point E and point F. The other one of the twowraparound edges 102 may include an edge between point G and point I, anedge between point I and point J, an edge between point J and point K,an edge between point K and point L, and an edge between point L andpoint H. The two non-wraparound edges 104 may respectively include theedge between point G and point F and the edge between point H and pointA. For the ease of understanding, point A, point B, point C, point D,point E, point F, point G, point H, point I, point J, point K and pointL of the display panel 100 are also annotated in FIG. 1A. According tosome embodiments of the present disclosure, the display surface TS mayinclude a display region (not shown) that may display images or providetouch functions. According to another embodiment of the presentdisclosure, optionally, the display surface TS may include a peripheralregion (not shown). The area of the display region may be smaller thanor equal to the area of the display surface TS. When the area of thedisplay region is equal to the area of the display surface TS, thedisplay surface TS may be a borderless embodiment. The peripheral regionmay include peripheral circuit components, such as driving components,reset components, compensation components, initialization components,operation control components, light emitting control components,capacitors, inductors, power lines, or a combination thereof, but arenot limited thereto. In some embodiments, a portion of the peripheralregion may be used for bonding the flexible circuit board 130. Thedisplay panel 100 of the display device 10 is bent in such a way thatthe wraparound edges 102 surround the surrounding axis AX to make thedisplay surface TS of the display panel 100 face toward the outside ofthe display device 10. The back surface BS of the display panel 100faces toward the inside of the display device 10 and encompasses theinternal space 110 of the display device 10. The internal space 110 maybe used to accommodate other components of the display device 10, suchas a battery or a control board (not shown). A supporting layer (notshown) may be provided on the back surface BS of the display panel 100to provide structural support and maintain the shape of the displaydevice 10.

According to some embodiments of the present disclosure, the wraparoundedges 102 of the display panel 100 surround the surrounding axis AX byat least 270 degrees, so that the display device 10 may provide varioususer interfaces on the surface surrounding at least 270 degrees. Forexample, the display device 10 may display a continuous image or aplurality of non-continuous images on the surface surrounding at least270 degrees. According to some embodiments of the present disclosure,the wraparound surface may be divided into multiple differentapplication regions. The display panel 100 may be divided into severalportions according to different bending angles when the display panel100 is in the wraparound form. For example, the display panel 100 in thewraparound form may include two long-extending portions opposite to eachother and two short-extending portions between the two long-extendingportions. One of the two long-extending portions refers to a portionthat is approximately planar or has a bending angle (that is, largerbending radius) smaller than that of one of the two short-extendingportions, and one of the two short-extending portions refers to aportion that is substantially curved or has a bending angle (that is,smaller bending radius) larger than that of one of the twolong-extending portions.

For example, as shown in FIG. 1B, the display panel 100 may be dividedinto a long-extending portion L1, a long-extending portion L2 thatincludes a long-extending portion L2-1 and a long-extending portionL2-2, a short-extending portion S1 between the long-extending portion L1and the long-extending portion L2-1, and a short-extending portion S2between the long-extending portion L1 and the long-extending portionL2-2. The two non-wraparound edges 104 of the display panel 100 are theedges of the long-extending portion L2-2 and the long-extending portionL2-2, respectively

When the display panel 100 is in the wraparound form as shown in FIG.1A, the display surface TS(L1) of the long-extending portion L1 facestoward the outside, the back surface BS(L1) of the long-extendingportion L1 faces toward the inside, and the long-extending portion L2-1and the long-extending portion L2-2 bend toward the back surface BS(L1)of the long-extending portion L1. The display surface TS(L1) of thelong-extending portion L1 corresponds to the front display region of thedisplay device 10. According to an embodiment of the present disclosure,the display surface TS(L1) of the long-extending portion L1 may be aplanar display region substantially parallel to the XY plane. Accordingto another embodiment of the present disclosure, the display surfaceTS(L1) of the long-extending portion L1 may be a curved display regionhaving a small bending angle. The display surface TS(L2-1) of thelong-extending portion L2-1 and the display surface TS(L2-2) of thelong-extending portion L2-2 correspond to the rear display region of thedisplay device 10. According to an embodiment of the present disclosure,the display surface TS(L2-1) and the display surface TS(L2-2) mayrespectively be a planar display region substantially parallel to the XYplane. According to another embodiment of the present disclosure, thedisplay surface TS(L2-1) and the display surface TS(L2-2) mayrespectively be a curved display region having a small bending angle.The display surface TS(S1) of the short-extending portion S1 and thedisplay surface TS(S2) of the short-extending portion S2 approximatelycorrespond to the side display regions of the display device 10, and mayrespectively be a curved side display region having a larger bendingangle. In this embodiment, in the bent display panel 100, thelong-extending portion L2-1 and the long-extending portion L2-2 do notoverlap with each other, forming a gap between the two non-wraparoundedges 104.

According to some embodiments of the present disclosure, the flexiblecircuit board 130 may be attached to one of two long-extending portionsthrough at least a portion of a surface of the flexible circuit board130. For example, please refer to the upper-left portion of FIG. 1B, theportion of the surface of the flexible circuit board 130 is connected tothe non-wraparound edge 104 of the long-extending portion L2. Theflexible circuit board 130 may include a circuit component IC disposedthereon to control the operations of the display units (not shown) ofthe display panel 100 to display images. The circuit component IC mayinclude a driving component, a reset component, a compensationcomponent, an initialization component, an operation control component,a light emitting control component, a capacitor, an inductor, a powerline, or a combination thereof, but is not limited thereto. It isadvantageous to dispose the circuit component IC on the flexible circuitboard 130 instead of on the display panel 100, such that the overallarea of the peripheral region of the display panel 100 may be reduced toachieve an approximately borderless display effect.

Please refer to the lower-right portion of FIG. 1B, which is a schematiccross-sectional view of the display device 10 along the line A-A′ in theplan view shown in the upper-left portion of FIG. 1B. The flexiblecircuit board 130 may have a surface 132, a surface 134 that is oppositeto the surface 132, and a bonding region 136. The bonding region 136 isformed at a periphery of the surface 132. It should be noted that the“periphery” of the surface 132 refers to any one of the four edges ofthe surface 132. According to this embodiment, the flexible circuitboard 130 partially overlaps the non-wraparound edge 104 of thelong-extending portion L2-1 of the display panel 100. In other words, onthe Z direction, a portion of the surface 132 of the flexible circuitboard 130 overlaps a portion of the long-extending portion L2-1 near thenon-wraparound edge 104. The flexible circuit board 130 may be includewires or signal lines which are electrically bonded to one of the twonon-wraparound edges 104 through the bonding region 136 thereof fordriving the display panel 100. As shown in the embodiment shown in theupper-left portion of FIG. 1B, the edge between the point G and thepoint F and the edge between the point H and the point A are the twonon-wraparound edges 104. The bonding region 136 of the flexible circuitboard 130 is electrically bonded to the edge between the point G and thepoint F to drive the display panel 100. In some embodiments, theflexible circuit board 130 and the display panel 100 may be connectedthrough an anisotropic conductive film (ACF), but it is not limitedthereto.

When the display panel 100 is in the wraparound form, the flexiblecircuit board 130 may be bent to extend into the internal space 110.Please refer to FIG. 1A and FIG. 1B, when the circuit component IC isdisposed on the surface 134 of the flexible circuit board 130, theflexible circuit board 130 may be bent from the display surface TS(L2-1)of the long-extending portion L2-1, through the space between thelong-extending portion L2-1 and the long-extending portion L2-2, andtoward the back surface BS(L2-1) long-extending portion L2-1. Theflexible circuit board 130 is bent to be close to the back surfaceBS(L2-1) long-extending portion L2-1, such that a larger portion of theinternal space 110 may be reserved to accommodate other components ofthe display device 10 (such as a battery and/or a control board). Ahigher utilization rate of the internal space 110 may be achieved, whichis beneficial for thinning the display device 10. After the surface 134of the bent flexible circuit board 130 faces the back surface BS(L1) ofthe long-extending portion L1, so that the circuit component IC disposedon the surface 134 may be exposed in the internal space 110, which isbeneficial for heat dissipation of the circuit component IC. Accordingto some embodiments of the present disclosure, the flexible circuitboard 130 may be fixed on the back surface BS(L2-1) of thelong-extending portion L2-1 through an adhesive layer, but it is notlimited thereto.

Please refer to FIG. 2A and FIG. 2B. FIG. 2A is a schematic diagramshowing the structure of a display device 10 according to an embodimentof the disclosure. The display device 10 shown in FIG. 2A includes adisplay panel 100 in a wraparound form. FIG. 2B is a schematic plan viewshowing the display panel 100 in a non-wraparound form and a flexiblecircuit board 130 electrically bonded to an edge of the display panel100. The difference between the embodiment shown in FIG. 1A and FIG. 1Band the embodiment shown in FIG. 2A and FIG. 2B includes that, thedisplay panel 100 shown in FIG. 2A and FIG. 2B includes a side-extendingportion S3 and a side-extending portion S4 respectively disposed at thetwo wraparound edges 102 of the display panel 100. For example, theside-extending portion S3 and side-extending portion S4 may berespectively disposed at the two wraparound edges 102 of thelong-extending portion L1. When the display panel 100 is in thewraparound form as shown in FIG. 2A, the side-extending portion S3 andside-extending portion S4 may respectively be bent toward the backsurface (not shown) of the long-extending portion L1. According to someembodiments of the present disclosure, the side-extending portion S3 andthe side-extending portion S4 correspond to the two assistant sidedisplay regions of the display device 10.

According to some embodiments of the present disclosure, the bentregions of the display panel 100 of the display device 10 and theposition of the flexible circuit board 130 bonded to the display panel100 may be adjusted according to design needs. Please refer to FIG. 3A,FIG. 3B, FIG. 3C and FIG. 3D, which are schematic plan viewsrespectively showing a display panel 100 of a display device and aflexible circuit board 130 bonded to the display panel 100 according tosome embodiments of the disclosure.

In the embodiment shown in FIG. 3A, the display panel 100 may include adisplay surface TS, a back surface (not shown) that is opposite to thedisplay surface TS, and two wraparound edges 102 and two non-wraparoundedges 104, wherein the two wraparound edges 102 and the twonon-wraparound edges 104 surround the display surface TS and the backsurface. The difference between the display panel 100 shown in FIG. 3Aand the display panel 100 shown in FIG. 1B includes that, the twonon-wraparound edges 104 of the display panel 100 shown in FIG. 3A arerespectively the edges of the short-extending portion S1 and thelong-extending portion L2 of the display panel 100, and the flexiblecircuit board 130 is electrically bonded to one of the non-wraparoundedges 104 of the long-extending portion L2. When the display panel 100is in a wraparound form, the display surface TS(L1) of thelong-extending portion L1 faces toward outside, the back surface (notshown) of the long-extending portion L1 faces toward inside, and thelong-extending portion L2 is bent toward the back surface (not shown) ofthe long-extending portion L1. In other words, when the display panel100 is in the wraparound form, the back surface (not shown) of thelong-extending portion L2 is closer to the back surface (not shown) ofthe long-extending portion L1 than the display surface TS(L2) of thelong-extending portion L2. The short-extending portion S1 is also benttoward the back surface (not shown) of the long-extending portion L1 toencompass the internal space (such as the internal space 110 shown inFIG. 1A) of the display device 10. The flexible circuit board 130 may bebent through a space between the long-extending portion L2 and theshort-extending portion S1 and extend into the internal space.

In the embodiment shown in FIG. 3B, different from FIG. 3A, the displaypanel 100 may further include side-extending portion S3 andside-extending portion S4 respectively disposed at two wraparound edges102 of the display panel 100. For example, the side-extending portion S3and side-extending portion S4 may be respectively disposed at the twowraparound edges 102 of the long-extending portion L2. When the displaypanel 100 is in the wraparound form, the side-extending portion S3 andside-extending portion S4 may respectively be bent toward the backsurface (not shown) of the long-extending portion L2. According to someembodiments of the present disclosure, the side-extending portion S3 andthe side-extending portion S4 correspond to the two assistant sidedisplay regions.

In the embodiment shown in FIG. 3C, the display panel 100 includes adisplay surface TS, a back surface (not shown) that is opposite to thedisplay surface TS, two wraparound edges 102 and two non-wraparoundedges 104, wherein the two wraparound edges 102 and the twonon-wraparound edges 104 surround the display surface TS and the backsurface together. The difference between the display panel 100 shown inFIG. 3C and the display panel 100 shown in FIG. 1B includes that, thetwo non-wraparound edges 104 of the display panel 100 shown in FIG. 3Care respectively the edges of the short-extending portion S1 and thelong-extending portion L2 of the display panel 100, and the flexiblecircuit board 130 is bonded to the non-wraparound edge 104 of theshort-extending portion S1. When the display panel 100 is in awraparound form, the long-extending portion L2 is bent toward the backsurface (not shown) of the long-extending portion L1. Theshort-extending portion S1 is also bent toward the back surface (notshown) of the long-extending portion L1 to encompass the internal space(such as the internal space 110 shown in FIG. 1A) of the display device10. The flexible circuit board 130 may be bent through a space betweenthe long-extending portion L2 and the short-extending portion S1 andextend into the internal space.

In the embodiment shown in FIG. 3D, different from FIG. 3C, the displaypanel 100 may further include side-extending portion S3 andside-extending portion S4 respectively disposed at two wraparound edges102 of the display panel 100. For example, the side-extending portion S3and side-extending portion S4 may be respectively disposed at the twowraparound edges 102 of the long-extending portion L2. When the displaypanel 100 is in the wraparound form, the side-extending portion S3 andside-extending portion S4 may respectively be bent toward the backsurface (not shown) of the long-extending portion L2. According to someembodiments of the present disclosure, the side-extending portion S3 andthe side-extending portion S4 correspond to the two assistant sidedisplay regions.

According to some embodiments of the present disclosure, the position ofthe flexible circuit board 130 in the internal space 100 may be adjustedaccording to design needs. Please refer to FIG. 4 , FIG. 5 and FIG. 6 ,which are schematic diagrams respectively showing a structure of adisplay device 10 including a display panel 100 and a flexible circuitboard 130 according to some embodiments of the disclosure.

In the embodiment shown in FIG. 4 , the display panel 100 may be similarto the display panel shown in FIG. 1B and includes a display surface TS,a back surface (not shown) that is opposite to the display surface TS,two wraparound edges 102 and two non-wraparound edges 104, wherein thetwo wraparound edges 102 and the two non-wraparound edges 104 surroundthe display surface TS and the back surface together. One of the twowraparound edges 102 may include the edge between point A and point B,the edge between point B and point C, the edge between point C and pointD, the edge between point D and point E, and the edge between point Eand point F. The other one of the two wraparound edges 102 may includethe edge between point G and point I, the edge between point I and pointJ, the edge between point J and point K, the edge between point K andpoint L, and the edge between point L and point H. The twonon-wraparound edges 104 may respectively include the edge between pointG and point F and the edge between point H and point A. The twonon-wraparound edges 104 are respectively the edge of the long-extendingportion L2-1 and the edge of the long-extending portion L2-2. Theflexible circuit board 130 is bonded to the non-wraparound edge 104 ofthe long-extending portion L2-1. When the display panel 100 is in thewraparound form, the long-extending portion L2-1 and the long-extendingportion L2-2 are bent toward the back surface BS(L1) of thelong-extending portion L1 in such a way that the long-extending portionL2-1 and the long-extending portion L2-2 are close to each other but donot overlap. The flexible circuit board 130 is bonded to the displaysurface TS(L2-1) of the long-extending portion L2-1 and extends throughthe space between the long-extending portion L2-1 and the long-extendingportion L2-2 into the internal space 110, and extends along the backsurface BS(L2-2) of the long-extending portion L2-2 to overlap thelong-extending portion L2-2 on the Z direction. As shown in FIG. 4 , asurface (such as the surface 132 shown in FIG. 1B)) of the flexiblecircuit board 130 may be spaced apart from the back surface BS(L1) ofthe long-extending portion L1 by a maximum distance D1 on the Zdirection, and may be spaced apart from the back surface BS(L2-2) of thelong-extending portion L2-2 by a maximum distance D2 on the Z direction.When the maximum distance D2 is smaller than the maximum distance D1, alarger portion of the internal space 110 may be reserved to accommodateother components of the display device 10 (such as a battery and/or acontrol board). A higher utilization rate of the internal space 110 maybe achieved. The circuit component IC may be disposed on the surface 132of the flexible circuit board 130 and exposed in the internal space 110,which is beneficial for heat dissipation of the circuit component IC.According to some embodiments of the present disclosure, the flexiblecircuit board 130 may be fixed on the back surface BS(L2-2) of thelong-extending portion L2-2 through an adhesive layer, but it is notlimited thereto.

In the embodiment shown in FIG. 5 , the display panel 100 may be similarto the display panel shown in FIG. 1B and includes a display surface TS,a back surface (not shown) that is opposite to the display surface TS,two wraparound edges 102 and two non-wraparound edges 104, wherein thetwo wraparound edges 102 and the two non-wraparound edges 104 surroundthe display surface TS and the back surface together. The twonon-wraparound edges 104 are respectively the edge of the long-extendingportion L2-1 and the edge of the long-extending portion L2-2. Theflexible circuit board 130 is bonded to the non-wraparound edge 104 ofthe long-extending portion L2-1. When the display panel 100 is in thewraparound form, the long-extending portion L2-1 and the long-extendingportion L2-2 are bent toward the back surface BS(L1) of thelong-extending portion L1 in such a way that the long-extending portionL2-1 and the long-extending portion L2-2 partially overlap with eachother on the Z direction. According to some embodiments of the presentdisclosure, the long-extending portion L2-2 overlaps at least a portionof the bonding region 136 of the flexible circuit board 130. When thelong-extending portion L2-1 and the long-extending portion L2-2 are atleast partially overlapped on the Z direction, an all-around(surrounding 360 degrees around the surrounding axis AX) display effectmay be achieved. The flexible circuit board 130 is electrically bondedto the display surface TS(L2-1) of the long-extending portion L2-1 andextends through the space between the long-extending portion L2-1 andthe long-extending portion L2-2 into the internal space 110, and extendsalong the back surface BS(L2-2) of the long-extending portion L2-2 tooverlap the long-extending portion L2-2 on the Z direction. According tosome embodiments of the present disclosure, the flexible circuit board130 may be fixed on the back surface BS(L2-2) of the long-extendingportion L2-2 through an adhesive layer, but it is not limited thereto.The circuit component IC may be disposed on the surface 132 of theflexible circuit board 130 and exposed in the internal space 110, whichis beneficial for heat dissipation of the circuit component IC.

In the embodiment shown in FIG. 6 , the display panel 100 may be similarto the display panel shown in FIG. 3A when the display panel 100 is in anon-wraparound form. The display panel 100 shown in FIG. 6 includes adisplay surface TS, a back surface (not shown) that is opposite to thedisplay surface TS, two wraparound edges 102 and two non-wraparoundedges 104, wherein the two wraparound edges 102 and the twonon-wraparound edges 104 surround the display surface TS and the backsurface together. The two non-wraparound edges 104 are respectively theedges of the long-extending portion L2 and the short-extending portionS1. The flexible circuit board 130 is bonded to the non-wraparound edge104 of the long-extending portion L2 through the bonding region 136 ofthe flexible circuit board 130. When the display panel 100 is in thewraparound form, the long-extending portion L2 and the short-extendingportion S1 are bent toward the back surface BS(L1) of the long-extendingportion L1 to encompass the internal space 110 of the display device 10.The flexible circuit board 130 extends through the space between thelong-extending portion L2 and the short-extending portion S1 into theinternal space 110, and extends along the back surface BS(S1) of theshort-extending portion S1 to overlap the short-extending portion S1 onthe X direction. According to some embodiments of the presentdisclosure, the flexible circuit board 130 may be fixed on the backsurface BS(S1) of the short-extending portion S1 through an adhesivelayer, but it is not limited thereto. The circuit component IC may bedisposed on the surface 132 of the flexible circuit board 130 andexposed in the internal space 110, which is beneficial for heatdissipation of the circuit component IC. The embodiment shown in FIG. 6may achieve a substantially seamless display region having a highscreen-to-body ratio.

Please refer to FIG. 7A and FIG. 7B. FIG. 7A is a schematic diagramshowing the structure of a display panel 100 and a flexible circuitboard 130 of a display device 10 according to an embodiment of thedisclosure. FIG. 7B is a schematic plan view showing the display panel100 and the flexible circuit board 130 of the display device 10 in anon-wraparound form according to an embodiment of the disclosure. Thedifference between the embodiment shown in FIG. 7A, FIG. 7B and theembodiment shown in FIG. 1A, FIG. 1B includes that, the flexible circuitboard 130 of a display device 10 shown in FIG. FIG. 7A, FIG. 7B iselectrically bonded to one of the wraparound edges 102 of the displaypanel 100 through the bonding region 136 of the flexible circuit board130 for driving the display panel 100.

As shown in FIG. 7A and FIG. 7B, the display panel 100 of the displaydevice 10 may be, for example, a flexible display panel. The displaypanel 100 may include a display surface TS, a back surface (not shown)that is opposite to the display surface TS, two wraparound edges 102opposite to each other and two non-wraparound edges 104 opposite to eachother, wherein the two wraparound edges 102 and the two non-wraparoundedges 104 surround the display surface TS and the back surface together.The display panel 100 may be divided into a long-extending portion L1, along-extending portion L2 including a long-extending portion L2-1 and along-extending portion L2-2, a short-extending portion S1 between thelong-extending portion L1 and the long-extending portion L2-1, and ashort-extending portion S2 between the long-extending portion L1 and thelong-extending portion L2-2. The two non-wraparound edges 104 arerespectively the edges of the edge of the long-extending portion L2-1and the edge of the long-extending portion L2-2. That is, the twonon-wraparound edges 104 are respectively the edge between the point Gand the point F and the edge between the point A and the point H. One ofthe two wraparound edges 102 may include the edge between point A andpoint B, the edge between point B and point C, the edge between point Cand point D, the edge between point D and point E, and the edge betweenpoint E and point F. The other one of the two wraparound edges 102 mayinclude the edge between point G and point I, the edge between point Iand point J, the edge between point J and point K, the edge betweenpoint K and point L, and the edge between point L and point H. Theflexible circuit board 130 is bonded to one of the two wraparound edges102. For example, the flexible circuit board 130 is electrically bondedto the edge between the point C and the point D of the wraparound edges102 of the long-extending portion L1. The flexible circuit board 130electrically is bonded to the display panel 100 through the bondingregion 136 and may overlap at least a portion of the wraparound edges102 of the long-extending portion L1 on the Z direction. When thedisplay panel 100 is in the wraparound form, the long-extending portionL2-1 and the long-extending portion L2-2 are bent toward the backsurface BS(L1) of the long-extending portion L1. The bent long-extendingportion L2-1 and long-extending portion L2-2 may be joint together or atleast partially overlapped on the Z direction, or may be completelynon-overlapped with each other on the Z direction. When thelong-extending portion L2-1 and long-extending portion L2-2 are at leastpartially overlapped on the Z direction, an all-around (surrounding 360degrees around the surrounding axis AX) display effect may be achieved.According to some embodiments, the flexible circuit board 130 may beattached to one of the two long-extending portions through at least aportion of a surface of the flexible circuit board 130, for example, theflexible circuit board 130 may be bonded to the display surface TS(L1)of the long-extending portion L1 and the flexible circuit board 130 maybe bent into the internal space 110 in such a way that the surface 132of the flexible circuit board 130 faces the back surface BS(L1) of thelong-extending portion L1. The circuit component IC disposed on thesurface 134 of the flexible circuit board 130 is exposed in the internalspace 110. According to some embodiments of the present disclosure, anadhesive layer may be provided between the surface 132 of the flexiblecircuit board 130 and the back surface BS(L1) of the long-extendingportion L1 to fix the flexible circuit board 130 on the back surfaceBS(L1) of the long-extending portion L1.

According to some embodiments of the present disclosure, the shape ofthe flexible circuit board 130 may be adjusted according to designneeds. Please refer to FIG. 8A, FIG. 8B and FIG. 8C, which are schematicplan views respectively showing a display panel and a flexible circuitboard of a display device according to some embodiments of thedisclosure.

In the embodiment shown in FIG. 8A, the display panel 100 may include aside-extending portion S3. The side-extending portion S3 extends fromthe wraparound edges 102 of the long-extending portion L1 along thenegative Y direction. The flexible circuit board 130 is electricallybonded to the wraparound edges 102 of the display panel 100 through theside-extending portion S3 to drive the display panel 100. When thedisplay panel 100 is in a wraparound form, the side-extending portion S3may be bent toward the back surface (not shown) of the long-extendingportion L1 to make the flexible circuit board 130 positioned at the backsurface (not shown) of the long-extending portion L1.

In the embodiment shown in FIG. 8B, the display panel 100 may include aside-extending portion S3 and a side-extending portion S4 respectivelyon the two wraparound edges 102 at two sides of the long-extendingportion L1. The side-extending portion S3 extends from the wraparoundedges 102 of the long-extending portion L1 along the negative Ydirection, and the side-extending portion S4 extends from the wraparoundedges 102 of the long-extending portion L1 along the positive Ydirection. The display panel 100 may further include a flap portion S5that connects the side-extending portion S3, a flap portion S6 thatconnects the long-extending portion L2-1, and a flap portion S7 thatconnects the long-extending portion L2-2. The peripheral of the flexiblecircuit board 130 a may include a plurality of bonding regions 136 thatare respectively electrically connected to the side-extending portionS3, the long-extending portion L2-1 and the long-extending portion L2-2through the flap portion S5, the flap portion S6 and the flap portion S7to drive the display panel 100. When the display panel 100 is in awraparound form, the side-extending portion S3, the flap portion S5, theflap portion S6, and the flap portion S7 may be bent toward the backsurface (not shown) of the display panel 100 to make the flexiblecircuit board 130 a positioned at the back surface (not shown) of thedisplay panel 100. According to some embodiments of the presentdisclosure, the flexible circuit board 130 a may include cuts 137 toincrease the flexibility. According to some embodiments of the presentdisclosure, when the flexible circuit board 130 a is positioned at theback surface (not shown) of the display panel 100, the positions of thecuts 137 of the flexible circuit board 130 a may correspond to theshort-extending portion S1 and the short-extending portion S2.

In the embodiment shown in FIG. 8C, the display panel 100 may include aside-extending portion S3 and a side-extending portion S4 respectivelydisposed at the two wraparound edges 102 of the long-extending portionL1. The display panel 100 further includes a flap portion S5 thatconnects the side-extending portion S3, a flap portion S6 that connectsthe long-extending portion L2-1, and a flap portion S7 that connects thelong-extending portion L2-2. The flexible circuit board 130 b, theflexible circuit board 130 c and the flexible circuit board 130 d arerespectively connected to the side-extending portion S3, thelong-extending portion L2-1 and the long-extending portion L2-2 throughthe flap portion S5, the flap portion S6 and the flap portion S7 todrive the display panel 100.

Please refer to FIG. 9 and FIG. 10 , which are schematic diagramsrespectively showing the structure of a display panel 100 and a flexiblecircuit board 130 of a display device 10 according to some embodimentsof the disclosure. As shown in FIG. 9 and FIG. 10 , the display device10 includes the display panel 100, and the display panel 100 may be aflexible display panel. The display panel 100 may include a displaysurface TS, a back surface BS opposite to the display surface TS, twowraparound edges 102 and two non-wraparound edges 104. The twowraparound edges 102 and the two non-wraparound edges 104 surround thedisplay surface TS and the back surface BS.

The display panel 100 may be divided into a long-extending portion L1, along-extending portion L2 that includes a long-extending portion L2-1and a long-extending portion L2-2, a short-extending portion S1 betweenthe long-extending portion L1 and the long-extending portion L2-1, and ashort-extending portion S2 between the long-extending portion L1 and thelong-extending portion L2-2. The two non-wraparound edges 104 arerespectively the edge of the long-extending portion L2-1 and the edge ofthe long-extending portion L2-2. The display panel 100 may include aside-extending portion S3 on the wraparound edge 102 at one side of thelong-extending portion L1. The flexible circuit board 130 may beelectrically bonded to the wraparound edge 102 through theside-extending portion S3 to drive the display panel 100. As shown inFIG. 9 and FIG. 10 , when the display panel 100 is in a wraparound form,the side-extending portion S3 may be bent toward the back surface BS(L1)of the long-extending portion L1 to make the flexible circuit board 130positioned in the internal space 110. A surface (such as the surface 132shown in FIG. 1B)) of the flexible circuit board 130 may be spaced apartfrom the back surface BS(L1) of the long-extending portion L1 by amaximum distance D1 on the Z direction, and may be spaced apart from theback surface BS(L2-2) of the long-extending portion L2-2 (or the backsurface BS(L2-1) of the long-extending portion L2-1) by a maximumdistance D2 on the Z direction.

The difference between the embodiments shown in FIG. 9 and FIG. 10includes that, in the wraparound form of the display panel 100, theside-extending portion S3 in FIG. 9 has a smaller bending radius to makethe flexible circuit board 130 closer to the back surface BS(L1) of thelong-extending portion L1 and be fixed. In other words, in FIG. 9 , themaximum distance D1 is smaller than the maximum distance D2. On thecontrary, the side-extending portion S3 in FIG. 10 has a larger bendingradius to make the flexible circuit board 130 closer to the back surfaceBS(L2-2) of the long-extending portion L2-2 (or the back surfaceBS(L2-1) of the long-extending portion L2-1) and be fixed. In otherwords, in FIG. 10 , the maximum distance D1 is larger than the maximumdistance D2. By making the flexible circuit board 130 closer to eitherthe back surface BS(L1) of the long-extending portion L1 or the backsurface BS(L2-2) of the long-extending portion L2-2 (or the back surfaceBS(L2-1) of the long-extending portion L2-1), a larger portion of theinternal space 110 may be reserved to accommodate other components ofthe display device 10 (such as a battery and/or a control board). Ahigher utilization rate of the internal space 110 may be achieved.According to some embodiments of the present disclosure, theside-extending portion S3 of FIG. 10 may display images and be used asan assistant side display region of the display device 10.

Please refer to FIG. 11 , which is a schematic diagram showing a displaypanel 100 and a flexible circuit board 10 of a display device 10 in anon-wraparound form according to an embodiment of the disclosure. Theupper portion of FIG. 11 is a plan view, and the lower portion of FIG.11 is a cross-sectional view of the display panel 100 along line B-B′shown in the plan view. The display panel 100 may be a flexible displaypanel and include a display surface TS, a back surface BS opposite tothe display surface TS, two wraparound edges 102 and two non-wraparoundedges 104. The flexible circuit board 130 is bonded to one of thewraparound edges 102 of the display panel 100. The display panel 100 mayinclude a thin-film-transistor (TFT) substrate or a circuit board, butis not limited thereto. According to some embodiments of the presentdisclosure, the display panel 100 may include a substrate 101 and acircuit structure layer 120 disposed on the substrate 101. According tosome embodiments of the present disclosure, the circuit structure layer120 may include light emitting components, optical layers and/orcovering layer disposed on the circuit structure layer 120. For the sakeof simplicity, the above components are not shown in the diagram.

According to some embodiments of the present disclosure, the substrate101 is used to carry the pixel array of the display panel 100. Accordingto some embodiments of the present disclosure, the substrate 101 may beflexible substrate. A supporting layer (not shown) or a protecting layer(not shown) may be provided on the back side of the substrate 101.

The circuit structure layer 120 is disposed on the front side of thesubstrate 101 and may include multiple layers including driving circuitcomponents and circuit wires (such as transistors, capacitors, datalines, scan lines, light-emitting control lines, power lines, groundpotential lines, and fan-out circuits, or other electrical components)to control the display units of the display panel 100. To simplify thedescription, only the wires 160 that are perpendicular to the wraparoundedges 102 are shown in FIG. 11 for illustration. For example, the wires160 shown in FIG. 11 may be data lines, but is not limited thereto. Thewires 160 extend along the Y direction and are arranged on the substrate101 corresponding to the long-extending portion L2-1, theshort-extending portion S1, the long-extending portion L1, theshort-extending portion S2, and the long-extending portion L2-2 of thedisplay panel 100. The bonding region 136 of the flexible circuit board130 is electrically bonded to the display panel 100 and electricallyconnected to the wires 160, allowing the circuit component IC on theflexible circuit board 130 to control each of the wires 160. It shouldbe understood that the wires 160 may be other types of control lines,such as scan lines.

Fan-out lines such as lines 162 and lines 164 may be disposed on thesubstrate 101 to electrically connect the lines 160 and the bondingregion 136 of the flexible circuit board 130. According to someembodiments of the present disclosure, the lines 160, the lines 162 andthe lines 164 may be formed in different layers of the circuit structurelayer 120. For example, as shown in the lower portion of FIG. 11 , thecircuit structure layer 120 (from lower portion that is closer to thesubstrate 101 to upper portion that is away from the substrate 101) mayinclude a first insulating layer 150, a second insulating layer 152 anda third insulating layer 154. The lines 160 are disposed between thesubstrate 101 and the first insulating layer 150. The lines 162 aredisposed between the first insulating layer 150 and the secondinsulating layer 152. The lines 164 are disposed between the secondinsulating layer 152 and the third insulating layer 154. In this way,the lines 160, the lines 162, and the lines 164 may be at leastpartially overlapped or substantially aligned on the edges on the Zdirection. For example, as shown in FIG. 11 , the edges of the lines160, the lines 162, and the lines 164 may be aligned along the line S1.In this way, the circuit layout flexibility may be increased. In otherembodiments, the distances between the lines 160, the lines 162, and thelines 164 formed in different layers of the circuit structure layer 120on the X direction may be smaller than the distances between the lines160, the lines 162, and the lines 164 formed in a same layer (such asbetween the first insulating layer 150 and the second insulating layer152) of the circuit structure layer 120. In this way, the circuit layoutflexibility may be increased. In the embodiment shown in FIG. 11 , thedistance between the lines 160 and the lines 162 may be the distancebetween the point Q1 and the point Q2 on the X direction. It should benoted that the sequence of the lines 160, the lines 162 and the lines164 on the Z direction is not limited to the illustrated embodiment andmay be adjusted according to design needs. For example, the lines 160 inFIG. 11 are disposed in the insulating layer below the lines 162 or thelines 164. In other embodiments, the lines 160 may be disposed in theinsulating layer above the lines 162 or the lines 164, or the lines 160may be formed in the insulating layer between the line 162 and the line164, but are not limited thereto. As shown in the upper portion of FIG.11 , the lines 162 may include segments that extend along the Xdirection for electrically connecting (through the vias through thefirst insulating layer 150, such as the vias P1) the lines 160 in thelong-extending portion L2-1 and the long-extending portion L2-2. Thelines 164 may include segments that extend along the X direction forelectrically connecting (through the vias through the first insulatinglayer 150 and the second insulating layer 152, such as the vias P1) thelines 160 in the short-extending portion S1 and the short-extendingportion S2.

Please refer to FIG. 12 , which is a flow chart showing the steps of awrapping process 200 for wrapping a display panel 100 according to anembodiment of the disclosure. For the ease of understanding, thefollowing description, with reference to FIG. 12 , FIG. 1A and FIG. 1Bat the same time, will the steps of the wrapping method 200 to wrap adisplay panel 100 having a flexible circuit board 130 bonded to anon-wraparound edge 104 of the display panel 100.

The wrapping process 200 starts at the step 202. Following, the step 204is performed to electrically connect the display panel and the flexiblecircuit board. As shown in FIG. 1B, the flexible circuit board 130 isbonded to one of the non-wraparound edges 104 at one side of thelong-extending portion L2-1. Following, the step 206 is performed tobend (first bending step) a side of the display panel where the flexiblecircuit board is bonded. As shown in FIG. 1A, the short-extendingportion S1 is bent in such a way that the wraparound edges 102 surroundthe surrounding axis AX to make the long-extending portion L2-1 towardthe back surface BS(L1) of the long-extending portion L1 and at leastpartially overlap the long-extending portion L1 on the Z direction.Subsequently, step 208 is performed to fix the side of the display panelnear the flexible circuit board to keep the shape of the bent side ofthe display panel after the first bending step. The method for fixingthe structure/shape of the bent side of the display panel in the step208 may include using a supporting structure, but is not limitedthereto. Afterward, optionally, step 209 may be performed to carry out afirst inspection to check if defects such as cracks or line broken occurin the display panel 100 after the first bending step. The firstinspection may use optical inspection device or other suitableinspection devices, but is not limited thereto.

If defects are found in the display panel, the display panel fails topass the first inspection and the step 209′ is then performed to scrapthe display panel. If no defects are found in the display panel, thedisplay panel passes the first inspection and the step 210 is thenperformed to bend (second bending step) another side of the displaypanel that is away from the flexible circuit board. As shown in FIG. 1B,the short-extending portion S2 is bent in such a way that the wraparoundedges 102 surround the surrounding axis AX to make the long-extendingportion L2-2 toward the back surface BS(L1) of the long-extendingportion L1 and at least partially overlap the long-extending portion L1on the Z direction. According to some embodiments of the presentdisclosure, as shown in FIG. 1A, the non-wraparound edge 104 of thelong-extending portion L2-2 is close to the non-wraparound edge 104 ofthe long-extending portion L2-1, and the long-extending portion L2-2 andthe long-extending portion L2-2 do not overlap with each other on the Zdirection. According to other embodiments of the present disclosure, asshown in FIG. 5 , the long-extending portion L2-2 of the bent displaypanel 100 may overlap a portion of the display surface TS(L2-1) of thelong-extending portion L2-1 on the Z direction.

Subsequently, step 212 is performed to fix the side of the display panelaway from the flexible circuit board to keep the shape of the bent sideof the display panel after the second bending step. The method forfixing the structure/shape of the bent side of the display panel in thestep 212 may include using a supporting structure, but is not limitedthereto. Afterward, optionally, step 213 may be performed to carry out asecond inspection to check if defects such as cracks or line brokenoccur in the display panel 100 after the second bending step. The secondinspection may use optical inspection device or other suitableinspection devices, but is not limited thereto. If defects are found inthe display panel, the display panel fails to pass the second inspectionand the step 213′ is then performed to scrap the display panel. If nodefects are found in the display panel, the display panel passes thesecond inspection and step 214 is then performed to end the wrappingprocess 200. Afterward, subsequent process steps such as back-end moduleassembly or inspections after assembly may be performed, but are notlimited thereto.

In other embodiments, as illustrated below, the wrapping process 200 maybe applied to wrap a display panel 100 having a flexible circuit board130 bonded to a wraparound edge 102 of the display panel 100. Pleaserefer to FIG. 9 , FIG. 10 and FIG. 12 at the same time in the followingillustrated embodiment.

The wrapping process 200 starts at the step 202. Following, the step 204is performed to connect the display panel and the flexible circuitboard. As shown in FIG. 9 and FIG. 10 , a side-extending portion S3 isdisposed on the wraparound edge 102 of one side of the long-extendingportion L1, and the flexible circuit board 130 is bonded to theside-extending portion S3. Following, the step 206 is performed to bend(first bending step) the side of the display panel near the flexiblecircuit board. As shown in FIG. 9 and FIG. 10 , the side-extendingportion S3 is bent toward the back surface BS(L1) of the long-extendingportion L1 to make the flexible circuit board 130 and the long-extendingportion L1 at least partially overlapped on the Z direction.Subsequently, step 208 is performed to fix the side of the display panelnear the flexible circuit board to keep the shape of the bent side ofthe display panel after the first bending step. The method for fixingthe structure/shape of the bent side of the display panel in the step208 may include using a supporting structure, but is not limitedthereto. Afterward, optionally, step 209 may be performed to carry out afirst inspection to check if defects such as cracks or line broken occurin the display panel 100 after the first bending step. The firstinspection may use optical inspection device or other suitableinspection devices, but is not limited thereto.

If defects are found in the display panel, the display panel fails topass the first inspection and the step 209′ is then performed to scrapthe display panel. If no defects are found in the display panel, thedisplay panel passes the first inspection and the step 210 is thenperformed to bend (second bending step) the other sides of the displaypanel that is away from the flexible circuit board. As shown in FIG. 9and FIG. 10 , the short-extending portion S2 is bent in such a way thatthe wraparound edges 102 surround the surrounding axis AX to make thelong-extending portion L2-2 toward the back surface BS(L1) of thelong-extending portion L1 and at least partially overlap thelong-extending portion L1 on the Z direction. In the step 210, theshort-extending portion S1 is bent to make the long-extending portionL2-1 toward the back surface BS(L1) of the long-extending portion L1 andat least partially overlap the long-extending portion L1 on the Zdirection. According to some embodiments of the present disclosure,after the second bending step, the long-extending portion L2-2 and thelong-extending portion L2-1 may be close to each other but do notoverlap. According to some embodiments of the present disclosure, afterthe second bending step, the long-extending portion L2-2 and thelong-extending portion L2-1 may partially overlap.

Subsequently, step 212 is performed to fix the side of the display panelaway from the flexible circuit board to keep the shape of the bent sideof the display panel after the second bending step. The method forfixing the structure/shape of the bent side of the display panel in thestep 212 may include using a supporting structure, but is not limitedthereto. Afterward, optionally, step 213 may be performed to carry out asecond inspection to check if defects such as cracks or line brokenoccur in the display panel 100 after the second bending step. The secondinspection may use optical inspection device or other suitableinspection devices, but is not limited thereto. If defects are found inthe display panel, the display panel fails to pass the second inspectionand the step 213′ is then performed to scrap the display panel. If nodefects are found in the display panel, the display panel passes thesecond inspection and step 214 is then performed to end the wrappingprocess 200.

According to the above, no matter the wrapping process 200 provided bythe present disclosure is applied to wrap a display panel 100, and bonda flexible circuit board 130 to a non-wraparound edge 104 or to awraparound edge 102 of the display panel 100, the side of the displaypanel 100 that is close to the flexible circuit board 130 is firstlybent by a first bending step and followed by a first inspection tofilter out abnormal display panel. After that, a second bending step isperformed to normal (no defects found) display panel 100 to bend theportion of the display panel 100 that is away from the flexible circuitboard 130. In this way, invalid second bending step on abnormal displaypanel may be reduced.

Those skilled in the art will readily observe that numerousmodifications and alterations of the device and method may be made whileretaining the teachings of the disclosure. Accordingly, the abovedisclosure should be construed as limited only by the metes and boundsof the appended claims.

What is claimed is:
 1. A display device, comprising: a display panel ina wraparound form to encompass an internal space, which comprises twowraparound edges opposite to each other and surrounding a surroundingaxis, two non-wraparound edges opposite to each other, a display surfaceand a back surface opposite to the display surface, wherein the twowraparound edges and the two non-wraparound edges surround the displaysurface and the back surface; and a flexible circuit board having asurface and a bonding region at a periphery of the surface, which iselectrically bonded to one of the two non-wraparound edges through thebonding region thereof bonding on the display surface for driving thedisplay panel, wherein a portion of the flexible circuit board in theinternal space of the display device is fixed on the back surface of thedisplay panel.
 2. The display device according to claim 1, wherein thedisplay panel in the wraparound form comprises two long-extendingportions opposite to each other and two short-extending portions betweenthe two long-extending portions, and the flexible circuit board isattached to one of the two long-extending portions through at least aportion of its surface.
 3. A display device, comprising: a display panelin a wraparound form to encompass an internal space, which comprises twowraparound edges opposite to each other and surrounding a surroundingaxis, two non-wraparound edges opposite to each other, a display surfaceand a back surface opposite to the display surface, wherein the twowraparound edges and the two non-wraparound edges surround the displaysurface and the back surface; and a flexible circuit board having asurface and a bonding region at a periphery of the surface, which iselectrically bonded to one of the two wraparound edges through thebonding region thereof bonding on the display surface for driving thedisplay panel, wherein a portion of the flexible circuit board in theinternal space of the display device is fixed on the back surface of thedisplay panel.
 4. The display device according to claim 3, wherein thedisplay panel in the wraparound form comprises two long-extendingportions opposite to each other and two short-extending portions betweenthe two long-extending portions, and the flexible circuit board isattached to one of the two long-extending portions through at least aportion of its surface.
 5. The display device according to claim 1,wherein the wraparound edges respectively surround the surrounding axiswith an angle greater than or equal to 270 degrees.
 6. The displaydevice according to claim 3, wherein the wraparound edges respectivelysurround the surrounding axis with an angle greater than or equal to 270degrees.